coal and petrolcan be saved by efficient usage of them .
to save for future needs Coal and petroleum should be used judiciously because they are limited which wil soon get exhausted or finished and these also pollute our environment
Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.
Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.Fuel from coal and petroleum, which is believed to be of fossil origin.
Coal and petroleum are found in avsadi rocks
Petroleum and coal are largely used in chemical industry or as fuels.
Solar energy is stored in coal and petroleum.
No, it is a fossil fuel just like petroleum.
It is hydrocarbons that make up most of coal and petroleum.
Three states that have petroleum, natural gas, and coal are Texas, Montana, and Pennsylvania.
Because coal and petroleum are themselves fossil fuels.
coal and petroleum are precious because now a days they are very costly and not mostly found
petroleum